JP7003108B2 - デジタル撮像による工業用水処理の制御 - Google Patents
デジタル撮像による工業用水処理の制御 Download PDFInfo
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- JP7003108B2 JP7003108B2 JP2019503236A JP2019503236A JP7003108B2 JP 7003108 B2 JP7003108 B2 JP 7003108B2 JP 2019503236 A JP2019503236 A JP 2019503236A JP 2019503236 A JP2019503236 A JP 2019503236A JP 7003108 B2 JP7003108 B2 JP 7003108B2
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Images
Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/28—Preparing specimens for investigation including physical details of (bio-)chemical methods covered elsewhere, e.g. G01N33/50, C12Q
- G01N1/40—Concentrating samples
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
- G01J3/00—Spectrometry; Spectrophotometry; Monochromators; Measuring colours
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
- G01J3/00—Spectrometry; Spectrophotometry; Monochromators; Measuring colours
- G01J3/28—Investigating the spectrum
- G01J3/2823—Imaging spectrometer
-
- G—PHYSICS
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Description
工業システムに存在する基材接触流体を分析する方法が提供される。この方法は、基材が工業システム内に存在する流体と接触している間に基材のデジタル画像を作成することを含む。基材のデジタル画像内の関心領域が定義される。基材のデジタル画像における関心領域内の腐食特徴が識別される。基材の一連のデジタル画像内の関心領域内の腐食特徴が分析される。
図2は、図1に示した実施形態と同じ特徴の多くを含む撮像システム1の別の実施形態を示す。例えば、図1および2の撮像システムは、レンズ107を装備した相補型金属酸化物膜半導体(「CMOS」)または電荷結合素子(「CCD」)カメラであってもよいカメラ106を備える。図1および2の実施形態では、カメラ106は、焦点の調整を可能にする直線移動ステージ109を介して固定具108に装着されている。代替的に、例えばThe Imaging SourceカメラモデルDKF72AU02-F(6926 Shannon Willow Road,Charlotte,NC 28226)などの自動焦点機能を有するカメラを利用することができ、線形並進ステージ109の必要性がなくなる。カメラ106は、腐食ダイナミクスのさらなる洞察を提供するために、白黒または好ましくはカラーであり得る。図1および2の実施形態では、試験片を照明するために光源110が使用され、試験片は、任意の特定の場所で利用可能な自然および/または他の人工光に依存して必要でない場合がある。
Claims (20)
- 工業システム内に存在する流体に接触する基材を分析する方法であって、
前記基材が前記工業システム内に存在する前記流体と接触している間に前記基材のデジタル画像を作成することと、
前記基材の前記デジタル画像内の関心領域を定義することと、
前記基材の前記デジタル画像内の前記関心領域内の腐食特徴を識別することと、
前記基材の前記デジタル画像内の前記関心領域内の前記腐食特徴を分析することと、
前記工業システム内で前記基材を回転させて前記基材の側部のデジタル画像を作成し、前記基材上に形成された腐食生成物の経時変化を監視することと、
を含む、方法。 - 工業システム内に存在する流体に接触する基材を分析する方法であって、
前記基材が前記工業システム内に存在する前記流体に接触している間に前記基材の一連のデジタル画像を作成することと、
前記基材の前記一連のデジタル画像内の関心領域を定義することと、
前記基材の前記一連のデジタル画像内の前記関心領域内の腐食特徴を識別することと、
前記基材の前記一連のデジタル画像内の前記関心領域内の前記腐食特徴を分析して、前記工業システムの腐食傾向を決定することと、
前記工業システム内で前記基材を回転させて前記基材の側部のデジタル画像を作成し、前記基材上に形成された腐食生成物の経時変化を監視することと、
を含む、方法。 - 前記工業システム内で前記基材を移動させて第2の関心領域をデジタル撮像に露出することと、前記方法のステップを繰り返すことと、をさらに含む、請求項1または2に記載の方法。
- 前記流体が、工業用水であり、前記工業システムが、工業用水システムである、請求項1~3のいずれか1項に記載の方法。
- 工業用水システム内に存在する工業用水に接触する基材を分析する方法であって、
前記工業用水システムの前記工業用水を、腐食防止剤で処理することと、
前記基材が前記工業用水システム内に存在する前記工業用水に接触している間に前記基材の一連のデジタル画像を作成することと、
前記基材の前記一連のデジタル画像内の関心領域を定義することと、
前記基材の前記一連のデジタル画像内の前記関心領域内の腐食特徴を識別することと、
前記基材の前記一連のデジタル画像内の前記関心領域内の前記腐食特徴を分析して、前記工業用水システムの腐食傾向を決定することと、
前記工業用水システム内で前記基材を回転させて前記基材の側部のデジタル画像を作成し、前記基材上に形成された腐食生成物の経時変化を監視することと、
前記基材の前記一連のデジタル画像内の前記関心領域内の前記腐食特徴の前記分析に基づいて措置をとることと、を含む、方法。 - pH、伝導率、酸化還元電位、直線分極抵抗、それらの派生項目、およびそれらの組み合わせから選択される前記工業用水システム内に存在する前記工業用水のパラメータを測定することをさらに含む、請求項4または5に記載の方法。
- 前記腐食特徴の表面積を推定することをさらに含む、請求項1~6のいずれか1項に記載の方法。
- 前記腐食特徴の前記推定された表面積に基づいて前記腐食特徴のピット深さを推定することをさらに含む、請求項7に記載の方法。
- 前記腐食特徴の一次元測定に基づいて前記腐食特徴のピット深さを推定することをさらに含む、請求項7に記載の方法。
- 前記関心領域内の複数の腐食特徴を識別することをさらに含む、請求項1~9のいずれか1項に記載の方法。
- 前記複数の腐食特徴をカウントすることをさらに含む、請求項10に記載の方法。
- 前記複数の腐食特徴をカウントして追跡することをさらに含む、請求項10に記載の方法。
- 前記基材が、腐食試験片である、請求項1~12のいずれか1項に記載の方法。
- 前記腐食試験片が、ASTM腐食試験を受けることができる、請求項13に記載の方法。
- 前記腐食試験片が、鋼、鉄、アルミニウム、銅、真鍮、ニッケル、および関連する合金から選択される金属より構成される、請求項13または14に記載の方法。
- 前記金属が、軟鋼、ステンレス鋼、炭素鋼、および関連する合金から選択される鋼である、請求項15に記載の方法。
- 前記鋼が、軟鋼である、請求項16に記載の方法。
- 前記関心領域内の前記腐食特徴を分析することと、前記腐食特徴の前記分析に基づいて措置をとることと、を含み、
前記措置をとることが、腐食防止剤の投与を増加すること、異なる腐食防止剤を選択すること、前記工業用水システムの物理的特性を変更すること、および前記工業用水システムをシャットダウンすることのうちの少なくとも1つを含む、請求項5~17のいずれか1項に記載の方法。 - 前記一連のデジタル画像の前記関心領域の前記腐食特徴を前記分析することが、少なくとも1つの前記一連のデジタル画像の前記関心領域またはその副領域の色プロファイルに従って前記基材上の腐食を分類することを含む、請求項1~18のいずれか1項に記載の方法。
- 前記工業用水システム内で前記基材を移動させて第2の関心領域をデジタル撮像に露出することと、この方法のステップを繰り返すことと、をさらに含む、請求項4~18のいずれか1項に記載の方法。
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JP2019528433A (ja) | 2019-10-10 |
JP2022043280A (ja) | 2022-03-15 |
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BR112019000811B1 (pt) | 2023-02-07 |
CN109477786A (zh) | 2019-03-15 |
US10598574B2 (en) | 2020-03-24 |
US20230048064A1 (en) | 2023-02-16 |
NZ749797A (en) | 2021-09-24 |
EP3488222A1 (en) | 2019-05-29 |
WO2018017665A1 (en) | 2018-01-25 |
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